Details of Acquired Intangible Assets (Detail) (USD $) In Thousands	Jul. 02, 2011	Dec. 31, 2010	Jul. 03, 2010
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 800,336	$ 579,411	$ 562,419
Accumulated amortization	(145,428)	(125,841)	(110,613)
Net	654,908	453,570	451,806
Finite-lived Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	534,054	373,656	363,168
Accumulated amortization	(145,428)	(125,841)	(110,613)
Net	388,626	247,815	252,555
Finite-lived Intangible Assets | Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	15,485	15,469	15,434
Accumulated amortization	(13,306)	(12,695)	(12,081)
Net	2,179	2,774	3,353
Finite-lived Intangible Assets | Proprietary Technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	136,737	74,176	72,163
Accumulated amortization	(34,423)	(29,862)	(26,426)
Net	102,314	44,314	45,737
Finite-lived Intangible Assets | Customer Relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	380,263	282,479	274,077
Accumulated amortization	(97,232)	(82,901)	(71,807)
Net	283,031	199,578	202,270
Finite-lived Intangible Assets | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,569	1,532	1,494
Accumulated amortization	(467)	(383)	(299)
Net	1,102	1,149	1,195
Indefinite-lived Intangible Assets | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	266,282	205,755	199,251
Net	$ 266,282	$ 205,755	$ 199,251